11387968 has 28 divisors (see below), whose sum is σ = 22976332. Its totient is φ = 5598720.

The previous prime is 11387953. The next prime is 11388017. The reversal of 11387968 is 86978311.

It can be written as a sum of positive squares in 2 ways, for example, as 6512704 + 4875264 = 2552^2 + 2208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2446 + ... + 5362.

Almost surely, 2^11387968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11387968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11488166).

11387968 is an abundant number, since it is smaller than the sum of its proper divisors (11588364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11387968 is an equidigital number, since it uses as much as digits as its factorization.

11387968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2980 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 11387968 is about 3374.6063474130. The cubic root of 11387968 is about 224.9825039893.

The spelling of 11387968 in words is "eleven million, three hundred eighty-seven thousand, nine hundred sixty-eight".